/*===========================================================================*\
*                                                                           *
*                               OpenMesh                                    *
*      Copyright (C) 2001-2005 by Computer Graphics Group, RWTH Aachen      *
*                           www.openmesh.org                                *
*                                                                           *
*---------------------------------------------------------------------------* 
*                                                                           *
*                                License                                    *
*                                                                           *
*  This library is free software; you can redistribute it and/or modify it  *
*  under the terms of the GNU Library General Public License as published   *
*  by the Free Software Foundation, version 2.                              *
*                                                                           *
*  This library is distributed in the hope that it will be useful, but      *
*  WITHOUT ANY WARRANTY; without even the implied warranty of               *
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        *
*  Library General Public License for more details.                         *
*                                                                           *
*  You should have received a copy of the GNU Library General Public        *
*  License along with this library; if not, write to the Free Software      *
*  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
*                                                                           *
\*===========================================================================*/

//=============================================================================
//
//  CLASS VDPMTraits
//
//=============================================================================


#ifndef OPENMESH_VDPM_TRAITS_HH
#define OPENMESH_VDPM_TRAITS_HH


//== INCLUDES =================================================================


#include <Core/System/config.hh>
#include <Core/Mesh/Traits.hh>
#include <Tools/VDPM/VHierarchy.hh>

//== FORWARDDECLARATIONS ======================================================


//== NAMESPACES ===============================================================

namespace OpenMesh {
	namespace VDPM {

		//== CLASS DEFINITION =========================================================


		/** \class MeshTraits MeshTraits.hh <Tools/VDPM/MeshTraits.hh>

		Mesh traits for View Dependent Progressive Meshes  
		*/

		struct MeshTraits : public DefaultTraits
		{
			VertexTraits
			{
			public:

				VHierarchyNodeHandle vhierarchy_node_handle()
				{
					return node_handle_; 
				}

				void set_vhierarchy_node_handle(VHierarchyNodeHandle _node_handle)
				{
					node_handle_ = _node_handle; 
				}

				bool is_ancestor(const VHierarchyNodeIndex &_other)
				{
					return false; 
				}

			private:

				VHierarchyNodeHandle  node_handle_;

			};

			VertexAttributes(OpenMesh::Attributes::Status |
				OpenMesh::Attributes::Normal);
			HalfedgeAttributes(OpenMesh::Attributes::PrevHalfedge);
			EdgeAttributes(OpenMesh::Attributes::Status);
			FaceAttributes(OpenMesh::Attributes::Status |
				OpenMesh::Attributes::Normal);
		};


		//=============================================================================
	} // namespace VDPM
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_VDPM_TRAITS_HH defined
//=============================================================================

